Sierra 18-8205 Transom Seal Kit for MerCruiser Alpha 1 Stern Drives

The Sierra 18-8205 is a comprehensive transom seal kit designed for MerCruiser 1, R, MR, and Alpha 1 stern drives with exhaust tubes. This complete service kit includes everything needed to remove and reinstall a stern drive from the transom, making it ideal for routine maintenance and seal replacement on models from 1983 to 1990.

Key Features:

• Complete transom service kit with all necessary gaskets, seals, and bellows
• Features greasable gimbal bearing (18-2100) for extended service life
• Includes U-joint bellows, shift cable bellows, and exhaust tube
• Comes with both 5/8" and 3/4" ID water intake hoses
• All required hose clamps, O-rings, and gaskets included
• Designed to meet OEM specifications for reliable performance

Kit Contents:

• Gimbal bearing (replaces Mercury 30-60794A4)
• U-joint bellows (replaces 60932A4)
• Exhaust tube (replaces 78458A1)
• Water intake hoses (replaces 32-32461 and 32-41725-33)
• Shift cable bellows (replaces 74639)
• Drive shaft housing and bell housing gaskets
• Multiple O-rings and hose clamps
• Bellows clamps

This kit replaces Mercury Marine OEM part number 30-803098T1 and provides a cost-effective alternative while maintaining quality standards. Sierra is a trusted name in aftermarket marine parts, offering premium-quality components backed by comprehensive warranty coverage.